Actual Time Lifting. That, my friend, amounts to about 10 seconds of time that you are actually physically moving the weight. Next time you are in the gym, time yourself and see how long it takes to perform a set of 10 reps. (Please do not look at your watch while doing the exercise!) Let me save you the timeâit takes 10 seconds. If you perform 3 sets, which most people do, you are now up to 30 seconds (3x10) of actual lifting movement.
Summary Summary. Hairy cell leukemia is a rare, slow-growing cancer of the blood in which the bone marrow makes too many B cells (lymphocytes), a type of white blood cell that fights infection. The condition is named after these excess B cells which look 'hairy' under a microscope.
It's not clear what causes hairy cell leukemia. Doctors know that cancer occurs when cells develop errors in their DNA. In the case of hairy cell leukemia, mutations in the DNA cause your bone marrow stem cells to create too many white blood cells that don't work properly. Doctors don't know what causes the DNA mutations that lead to hairy cell leukemia. Symptoms.